What Is the Wavelength of a Monochromatic Light Beam,where the Photon

question 88

Multiple Choice

What is the wavelength of a monochromatic light beam,where the photon energy is 4.14 × 10−¹⁹ J? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,and 1 nm = 10−⁹ m)

• A)160 nm
• B)480 nm
• C)72 nm
• D)187 nm
• E)​915 nm

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